diff --git a/tests/blink-allio.c b/tests/blink-allio.c
new file mode 100644
index 000000000..55c6e6eca
--- /dev/null
+++ b/tests/blink-allio.c
@@ -0,0 +1,36 @@
+#define MBAR_GPIO       0x80000000
+#define GPIO_PAD_DIR0   0x80000000
+#define GPIO_DATA0      0x80000008
+#define GPIO_PAD_DIR1   0x80000004
+#define GPIO_DATA1      0x8000000c
+#define UART1_DATA      0x80005008
+#define DELAY 400000
+
+#include "embedded_types.h"
+#include "isr.h"
+#include "led.h"
+
+#define LED_BITS LED_WHITE
+
+__attribute__ ((section ("startup")))
+void main(void) {
+	
+	*(volatile uint32_t *)GPIO_PAD_DIR0 = 0xffffffff;
+	*(volatile uint32_t *)GPIO_PAD_DIR1 = 0xffffffff;
+
+	volatile uint32_t i;
+
+	while(1) {
+
+		*(volatile uint32_t *)GPIO_DATA0 = 0xffffffff;
+		*(volatile uint32_t *)GPIO_DATA1 = 0xffffffff;
+		
+		for(i=0; i<DELAY; i++) { continue; }
+
+		*(volatile uint32_t *)GPIO_DATA0 = 0x00000000;
+		*(volatile uint32_t *)GPIO_DATA1 = 0x00000000;
+
+		for(i=0; i<DELAY; i++) { continue; }
+
+	};
+}